晦朔

Reading

Kana: かいさく

Romaji: kaisaku

Definition

noun

1

last and first days of the month

Note: archaism

Kanji

晦

Readings: カイ、 つごもり、 くら.い、 みそか、 くら.む

Meanings: dark, disappear

朔

Readings: サク、 ついたち

Meanings: conjunction (astronomy), first day of month, north